Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Details)

v3.7.0.1
Goodwill and Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Goodwill [Roll Forward]      
Balance as of beginning of period $ 198,622    
Adjustments from the Ultra Seating acquisition    
Balance as of end of period 198,622    
Finite-Lived Intangible Assets [Line Items]      
Amortization of intangible assets 4,004 $ 4,020  
Finite-Lived Intangible Assets, Net [Abstract]      
Cost 202,164   $ 202,164
Accumulated Amortization (78,217)   (74,213)
Accumulated Impairment Loss (1,025)   (1,025)
Net Intangible Assets 122,922   126,926
Supply Chain Management      
Goodwill [Roll Forward]      
Balance as of beginning of period 63,190    
Adjustments from the Ultra Seating acquisition    
Balance as of end of period 63,190    
Federal Services      
Goodwill [Roll Forward]      
Balance as of beginning of period 30,883    
Adjustments from the Ultra Seating acquisition    
Balance as of end of period 30,883    
Aviation      
Goodwill [Roll Forward]      
Balance as of beginning of period 104,549    
Adjustments from the Ultra Seating acquisition    
Balance as of end of period 104,549    
Contract and customer-related      
Finite-Lived Intangible Assets, Net [Abstract]      
Cost 173,094   173,094
Accumulated Amortization (63,084)   (59,799)
Accumulated Impairment Loss (1,025)   (1,025)
Net Intangible Assets 108,985   112,270
Acquired technologies      
Finite-Lived Intangible Assets, Net [Abstract]      
Cost 12,400   12,400
Accumulated Amortization (6,560)   (6,278)
Accumulated Impairment Loss 0   0
Net Intangible Assets 5,840   6,122
Trade names      
Finite-Lived Intangible Assets, Net [Abstract]      
Cost 16,670   16,670
Accumulated Amortization (8,573)   (8,136)
Accumulated Impairment Loss 0   0
Net Intangible Assets $ 8,097   $ 8,534